Publications

Efford MG, Fletcher D 2024. Effect of spatial overdispersion on confidence intervals for population density estimated by spatial capture-recapture. bioRxiv DOI: 

Efford MG 2023. Robust sampling design for spatially explicit capture-recapture. Presentation at Euring 2023 CNRS Montpellier 17 April 2023. 5975K

Efford MG 2023. ipsecr: An R package for awkward spatial capture-recapture data. Methods in Ecology and Evolution 14: 1182–1189. DOI 10.1111/2041-210X.14088

Efford MG, Schofield MR 2022. A review of movement models in open population capture–recapture. Methods in Ecology and Evolution. DOI 10.1111/2041-210X.13947

Efford MG 2022. Efficient discretization of movement kernels for spatiotemporal capture–recapture. Journal of Agricultural, Biological, and Environmental Statistics. DOI 10.1007/s13253-022-00503-4

Efford MG, Schofield MR 2021. Dispersal kernels for  spatiotemporal capturerecapture. Presentation at vNCSE 16 June 2021. 1486K

Efford MG, Schofield MR 2020. A spatial open-population capture–recapture model. Biometrics 76: 392–402. 

Efford MG, Boulanger J 2019. Fast evaluation of study designs for spatially explicit capture–recapture. Methods in Ecology and Evolution 10: 1529–1535.  DOI: 10.1111/2041-210X.13239.

Efford MG 2019. Non-circular home ranges and the estimation of population density. Ecology 100(2), e02580. 274K

Efford MG, Hunter CM 2018.  Spatial capture–mark–resight estimation of animal population density. Biometrics 74: 411–420. 180K

Efford MG, Dawson DK, Jhala YV, Qureshi Q 2016. Density-dependent home range size revealed by spatially explicit capture–recapture. Ecography 39:676–688. DOI 10.1111/ecog.01511 Abstract

Efford MG, Mowat G 2014. Compensatory heterogeneity in spatially explicit capture–recapture data. Ecology 95: 1341–1348. Appendices

Efford MG 2014. Bias from heterogeneous usage of space in spatially explicit capture–recapture analyses. Methods in Ecology and Evolution 5: 599–602. http://dx.doi.org/10.1111/2041-210X.12169

Efford MG, Borchers DL, Mowat G 2013. Varying effort in capture–recapture studies. Methods in Ecology and Evolution 4: 629–636 http://dx.doi.org/10.1111/2041-210X.12049

Efford MG, Fewster RM 2013. Estimating population size by spatially explicit capture–recapture. Oikos 122: 918–928.

Efford MG, Dawson DK 2012. Occupancy in continuous habitat. Ecosphere 3(4):32. http://dx.doi.org/10.1890/ES11-00308.1 (open access)   Erratum

Efford MG 2011.  Estimation of population density by spatially explicit capture–recapture analysis of data from area searches. Ecology 92: 2202–2207.  356K

Dawson DK, Efford MG 2009. Bird population density estimated from acoustic signals. Journal of Applied Ecology 46: 1201–1209. Abstract

Efford MG, Dawson DK, Borchers DL 2009.  Population density estimated from locations of individuals on a passive detector array. Ecology 90: 26762682. 170K

Efford MG, Borchers DL, Byrom AE 2009.  Density estimation by spatially explicit capture–recapture: likelihood-based methods. Pages 255–269 in DL Thomson, EG Cooch, MJ Conroy eds. Modeling demographic processes in marked populations. Springer, New York. 771K

Borchers DL, Efford MG 2008. Spatially explicit maximum likelihood methods for capture–recapture studies. Biometrics 64: 377–385. 254K

Borchers DL, Efford MG 2007. Supplements to Biometrics paper. [Notes that expand on Borchers & Efford 2008] 160K

Efford MG, Warburton B, Coleman MC, Barker RJ 2005.  A field test of two methods for density estimation. Wildlife Society Bulletin 33: 731–738. 102K

Efford MG, Norbury G 2005. Ferret population assessment: progress and challenges. Proceedings of 13th Australasian Vertebrate Pest Conference Te Papa, Wellington, 2–6 May 2005. Pp. 75–81. 104K

Efford MG, Cowan PE 2004. Long-term population trend of Trichosurus vulpecula in the Orongorongo Valley, New Zealand. In: The Biology of Australian Possums and Gliders. Edited by RL Goldingay and SM Jackson. Surrey Beatty & Sons, Chipping Norton. Pp. 471–483. 1673K

Efford MG, Dawson DK, Robbins CS 2004. DENSITY: software for analysing capture–recapture data from passive detector arrays. Animal Biodiversity and Conservation 27: 217–228. 437K

Efford MG 2004. Density estimation in live-trapping studies. Oikos 106: 598–610. 296K

University of Otago DENSITY: software for spatially explicit capture–recapture